Steico Multi UDB

FROM €315.00 INC VAT

FROM €256.10 EXC VAT

STEICOmulti UDB is a highly vapour-permeable, windproof and weather-resistant membrane designed for external building envelopes. It can be used as a roof underlay / sarking membrane (including as a supplement to sarking boards), or as a windproof layer behind external...

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€315.00 INC VAT

€256.10 EXC VAT

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STEICOmulti UDB is a highly vapour-permeable, windproof and weather-resistant membrane designed for external building envelopes. It can be used as a roof underlay / sarking membrane (including as a supplement to sarking boards), or as a windproof layer behind external wall build-ups. Thanks to its robust 3-layer construction and integrated self-adhesive sealing zones, it delivers reliable protection from wind and driving rain while still allowing the structure to dry safely outward.

Key Benefits

Extremely vapour open (sd ≈ 0.02 m) – supports outward drying and moisture-safe construction
Windproof + weather-resistant for roofs and external wall applications
Two integrated self-adhesive zones for secure bonding and fast detailing
Robust 3-layer coated PP non-woven fabric with high tear resistance
W1 resistance to water penetration (including after artificial ageing)
Outdoor exposure up to 12 weeks (during construction phase)
Suitable as a temporary roof cover for up to 4 weeks (when correctly detailed)

Typical Uses

Roofing

Sarking membrane / roof underlay
Diffusion-open formwork membrane supporting breathable roof build-ups

External Walls

Windproofing layer within breathable external wall systems (behind cladding / façade systems)

Refurbishment / Retrofit

Can also function as an airtight layer within compatible refurbishment solutions, where detailing and continuity are correctly achieved

Installation Notes (Best Practice)

Lay with the printed side facing the installer
Install parallel to the eaves, starting from the bottom
Maintain minimum 100mm overlaps
Fix only within the overlap zone (e.g., staples/clips)
Activate the self-adhesive strips only after fixing the sheet in position
On roofs, secure with STEICOmulti nail tape and counter battens
Where used as windproofing or airtightness, all joints/edges/penetrations must be bonded appropriately using STEICO system accessories

STEICO_technical-data-sheet_multi-udb_GBR-IRL_en_i.pdf

Deliveries within Ireland take between 2-5 working days after an order has been placed.

Our stock is shipped by Fastway, DPD or The Pallet Network depending on location and quantites. If your order contains a mix of products they will be dispatched altogether. The delivery will be determined by the product with the longest delivery time.

If for any reason we are out of stock of any item that you have ordered we will contact you to advise you of an anticipated delivery date, give you the option of any alternative product or the option to cancel the order, and receive a full refund.

Special orders, paints, plasters, NHL's and insulation products are non-refundable.

Deliveries carried out by TPN (The Pallet Network) are completed with 20 Ton Rigid Trucks that have a tail lift and a pallet truck. Open access will be required to facilitate the truck.

We always endeavour to take into consideration everyone's delivery needs.
Please ensure your delivery location has;
• Level area with no sharp inclines/declines.
• No Grass/Gravelled areas as pallets cannot be moved.
• Open access for Curtain sided Lorries.
• Whilst our drivers are instructed not to take their vehicle off the roadway to
make deliveries, our driver will make every effort with your delivery to meet your requirements.
• If you require the driver to leave the roadway, it will be at your own risk.
• Where a pathway is cemented / tarmacadam our drivers will do their best to bring a pallet to customers preferred drop on their premises.
• If it is gravel and not practical for a pallet truck to run on it, the driver is obligated to drop the pallet at nearest kerb side.
• The drivers are not obligated to place the pallets into stores, garages and a warehouses.

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